Heating arrangement for coffee machines

Abstract

Heating arrangement for coffee machines, comprising at least one coffee machine heating module comprising a heating structure (1) and a water supply structure (3), wherein the water supply structure (3) is designed as a water pipe or water channel structure; wherein, if the water supply structure (3) is designed as a water pipe, a heating plate, screen printing or thermal spraying is used for the heating structure (1), wherein the coffee machine heating module further comprises a housing (4) in which at least one water pipe is embedded, wherein the heating structure (1) is provided on the top and / or bottom of the housing (4), and wherein a weld layer (2) is further provided between the heating structure (1) and the housing (4) if the heating structure (1) is designed as a heating plate; wherein, if the water supply structure (3) is configured as a water channel structure, the water channel structure comprises a water barrier plate (301) and a water channel plate (302); wherein, if the heating structure (1) is configured as a heating plate, the weld layer (2) is provided between the water barrier plate (301) and the heating plate, and the weld layer (2) is provided between the water barrier plate (301) and the water channel plate (302); wherein, if the heating structure (1) is configured by screen printing or thermal spraying, the heating structure (1) is provided on the top or bottom of the water channel plate (302), and the water barrier plate (301) is provided on the bottom or top of the water channel plate (302), and the weld layer (2) is provided between the water channel plate (302) and the water barrier plate (301).

Description

TECHNICAL FIELD

[0001] The present utility model relates generally to the field of coffee machine heating technology, and in particular to a heating arrangement for coffee machines. STATE OF THE ART

[0002] In terms of heating performance, a coffee machine primarily aims to prepare coffee by heating drinking water that meets customer taste requirements.

[0003] In a state-of-the-art coffee machine heating module, heating is primarily achieved by means of a resistance wire embedded in a cast aluminum element. Such a heating module consists primarily of cast aluminum, a recessed water channel, and an embedded resistance heating wire. Such a heating module weighs approximately 300 g, and its high heat capacity, slow heating speed, and low heat efficiency result in long waiting times during conventional coffee preparation. Because the heating module is tailored to the specific coffee machine, a significant improvement in platform integration is also desired. Furthermore, growing demands for integration and system compactness have brought new challenges for a coffee machine thermal management system. CONTENTS OF THE PRESENT UTILITY MODEL

[0004] In view of the aforementioned disadvantages of the prior art, the present utility model is based on the object of providing an improved heating arrangement for coffee machines that can overcome the aforementioned disadvantages. In particular, an improved heating arrangement for coffee machines is to be provided that enables a platform-based, integrable, and modular design, high heat efficiency, low costs, and modular functions.

[0005] This object is achieved by a heating arrangement for coffee machines according to claim 1. Further advantageous embodiments are the subject of the dependent subclaims. According to the present utility model, a heating arrangement for coffee machines is provided, which comprises at least one coffee machine heating module comprising a heating structure and a water supply structure, wherein a water pipe or a water channel structure is used as the water supply structure;When a water pipe is used as the water supply structure, a heating plate, screen printing, or thermal spraying is used for the heating structure. The coffee machine heating module further comprises a housing in which at least one water pipe is embedded, the heating structure being provided on one of the top and bottom sides or on both the top and bottom sides of the housing, and a welding layer being further provided between the heating structure and the housing when a heating plate is used for the heating structure. When a water channel structure is used as the water supply structure, the water channel structure comprises a water barrier plate and a water channel plate. When the heating plate is used for the heating structure, the welding layer is provided between the water barrier plate and the heating plate, and the welding layer is provided between the water barrier plate and the water channel plate.wherein, when screen printing or thermal spraying is used for the heating structure, the heating structure is provided on one of the top and bottom sides of the water channel plate, the water barrier plate is provided on the other side, and the welding layer is provided between the water channel plate and the water barrier plate;

[0006] According to a further embodiment, it is provided that the welding layer is a soldering layer when a water pipe is used as the water supply layer.

[0007] According to a further embodiment, it is provided that the welding layer is a soldering layer or a laser welding layer when a water channel structure is used as the water supply layer.

[0008] According to a further embodiment, it is provided that a stainless steel-based heating plate or an aluminum-based heating plate is used as the heating plate.

[0009] According to a further embodiment, the water pipe is made of stainless steel and the housing is made of cast aluminum.

[0010] According to a further embodiment, the water pipe is designed as a pipe coil.

[0011] According to a further embodiment, both the water barrier plate and the water channel plate are made of stainless steel.

[0012] According to a further embodiment, it is provided that the water channel plate is designed as a corrugated plate when the heating plate is used for the heating structure.

[0013] According to a further embodiment, it is provided that a side of the water channel plate opposite the water barrier plate forms a water channel by machining or etching when screen printing or thermal spraying is used for the heating structure.

[0014] Compared to the state of the art, the present utility model is characterized in particular by the following advantageous effects: The heating assembly for coffee machines according to the present utility model comprises at least one coffee machine heating module comprising a heating structure and a water supply structure, wherein a water pipe or a water channel structure is used as the water supply structure; wherein, when a water pipe is used as the water supply structure, a heating plate, screen printing, or thermal spraying is used for the heating structure; wherein the coffee machine heating module further comprises a housing in which at least one water pipe is embedded, wherein the heating structure is provided on one of the top and bottom sides or on both the top and bottom sides of the housing, and wherein, when a heating plate is used for the heating structure, a welding layer is further provided between the heating structure and the housing;wherein, when a water channel structure is used as the water supply structure, the water channel structure comprises a water barrier plate and a water channel plate, wherein, when the heating plate is used for the heating structure, the welding layer is provided between the water barrier plate and the heating plate, and the welding layer is provided between the water barrier plate and the water channel plate;Wherein, when screen printing or thermal spraying is used for the heating structure, the heating structure is provided on one of the top and bottom sides of the water channel plate, and the water barrier plate is provided on the other side, and the welding layer is provided between the water channel plate and the water barrier plate. In this technical configuration, by dividing the heating assembly for coffee machines into at least one coffee machine heating module, a heating assembly for coffee machines with different areas, volumes, and shapes can be formed according to customer requirements using a different number of coffee machine heating modules, thus realizing a platform-based, integrable, and modular design, thus achieving high thermal efficiency, low cost, and modular functions to avoid additional production costs, including mold manufacturing, during customization. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Further features, objects and advantages of the present utility model will become apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Fig. 1 shows a first schematic structural view of a coffee machine heating module according to an embodiment of the present utility model; Fig. 2 shows a second schematic structural view of the coffee machine heating module according to an embodiment of the present utility model; Fig. 3 a third schematic structural view of the coffee machine heating module according to an embodiment of the present utility model; Fig. 4 shows a fourth schematic structural view of the coffee machine heating module according to an embodiment of the present utility model; Fig. 5 is a fifth schematic structural view of the coffee machine heating module according to an embodiment of the present utility model; Fig. 6 a sixth schematic structural view of the coffee machine heating module according to an embodiment of the present utility model. DETAILED DESCRIPTION

[0016] The present utility model will be discussed in more detail below with reference to specific embodiments. The following embodiments serve to better understand the present utility model for those skilled in the art, without limiting the scope of the utility model. It should be noted that various variants and further developments are possible for those skilled in the art without deviating from the basic idea of ​​the present utility model. Such variants and further developments are within the scope of protection of the utility model. Examples of implementation

[0017] It will be Fig. 1 to 6. The present embodiment provides a heating assembly for coffee machines. It comprises at least one coffee machine heating module, which includes a heating structure 1 and a water supply structure 3. A water pipe or a water channel structure is used as the water supply structure 3.

[0018] If a water pipe is used as the water supply structure 3, a hot plate, screen printing, or thermal spraying is used for the heating structure 1. The coffee machine heating module further comprises a housing 4 in which at least one water pipe is embedded. The heating structure 1 is provided on one of the top and bottom sides, or on both the top and bottom sides, of the housing 4. A weld layer 2 is further provided between the heating structure 1 and the housing 4 if a hot plate is used for the heating structure 1.

[0019] When a water channel structure is used as the water supply structure 3, the water channel structure includes a water barrier plate 301 and a water channel plate 302. When the heating plate is used for the heating structure 1, the welding layer 2 is provided between the water barrier plate 301 and the heating plate, and the welding layer 2 is provided between the water barrier plate 301 and the water channel plate 302. When screen printing or thermal spraying is used for the heating structure 1, the heating structure 1 is provided on one of the top and bottom sides of the water channel plate 302, the water barrier plate 301 is provided on the other side, and the welding layer 2 is provided between the water channel plate 302 and the water barrier plate 301.

[0020] In an optional embodiment, the welding layer 2 is a soldering layer if a water pipe is used as the water supply layer 3.

[0021] In an optional embodiment, it is provided that the welding layer 2 is a soldering layer or a laser welding layer when a water channel structure is used as the water supply layer 3.

[0022] In an optional embodiment, a stainless steel-based heating plate or an aluminum-based heating plate is used as the heating plate.

[0023] In an optional design, the water pipe is made of stainless steel and the housing 4 is made of cast aluminum.

[0024] In an optional design, the water pipe is designed as a pipe coil.

[0025] In an optional design, both the water barrier plate 301 and the water channel plate 302 are made of stainless steel.

[0026] In an optional embodiment, the water channel plate 302 is designed as a corrugated plate when the heating plate is used for the heating structure 1.

[0027] In an optional embodiment, it is provided that a side of the water channel plate 302 opposite the water barrier plate 301 forms a water channel by machining or etching when screen printing or thermal spraying is used for the heating structure 1.

[0028] As in Fig. As shown in Figure 1, in a first specific embodiment, the coffee machine heating module consists of an aluminum-based / stainless steel-based heating plate and a die-cast aluminum housing with a stainless steel coil as an insert, arranged in sequence from top to bottom. The two components are connected to each other by soldering.

[0029] As in Fig. As shown in Figure 2, in a second specific embodiment, the coffee machine heating module consists of two aluminum-based / stainless steel-based heating plates and a die-cast aluminum housing with a stainless steel coil as an insert. The aluminum housing is located between the two heating plates, and the three components are connected to each other by soldering.

[0030] As in Fig. As shown in Figure 3, in a third specific embodiment, the coffee machine heating module consists of an aluminum heating plate, a stainless steel water barrier plate intended for food contact, and a stamped, corrugated stainless steel-aluminum housing with a water path, arranged in sequence from top to bottom. The three components are connected to each other by soldering or laser welding.

[0031] As in Fig. As shown in Figure 4, in a fourth specific embodiment, the coffee machine heating module consists of a die-cast aluminum housing with a stainless steel coil as an insert, the upper surface of which is screen-printed or thermally sprayed. Heat is transferred to the aluminum housing and the stainless steel coil by screen printing or thermal spraying.

[0032] As in Fig. As shown in Figure 5, in a fifth specific embodiment, the coffee machine heating module consists of a die-cast aluminum housing with a stainless steel coil as an insert, two sides of which are screen-printed or thermally sprayed. Heat is transferred to the aluminum housing and the stainless steel coil by screen printing or thermal spraying.

[0033] As in Fig.As shown in Figure 6, in a sixth specific embodiment, the coffee machine heating module consists of a stainless steel base plate, the upper surface of which is screen-printed or thermally sprayed, and a stainless steel water barrier plate. The stainless steel base plate forms a water channel through machining or etching. At the same time, the stainless steel base plate and the stainless steel water barrier plate, which closes the water channel, are combined by laser welding or soldering, thus forming the coffee machine heating module that is sealed, has a water channel, meets food safety performance requirements, and is simple in design.

[0034] By dividing the heating assembly for coffee machines into at least one coffee machine heating module in the present embodiment, a heating assembly for coffee machines with different areas, volumes and shapes can be formed according to customer requirements using coffee machine heating modules in different numbers, thus realizing a platformized, integrable and modular design and thus achieving high heat efficiency, low costs and modular functions to avoid additional production costs, among others, due to mold manufacturing in tailoring.

[0035] In summary, a heating arrangement for coffee machines is disclosed, comprising: at least one coffee machine heating module comprising a heating structure and a water supply structure, wherein a water pipe or a water channel structure is used as the water supply structure; wherein, when a water pipe is used as the water supply structure, a heating plate, screen printing, or thermal spraying is used for the heating structure, wherein the coffee machine heating module further comprises a housing in which at least one water pipe is embedded, wherein the heating structure is provided on one of the top and bottom sides or on both the top and bottom sides of the housing;When a water channel structure is used as the water supply structure, the water channel structure includes a water barrier plate and a water channel plate. When a heating plate is used as the heating structure, the welding layer is provided between the water barrier plate and the heating plate, and the welding layer is provided between the water barrier plate and the water channel plate. When screen printing or thermal spraying is used for the heating structure, the welding layer is provided between the water channel plate and the water barrier plate. With this technical configuration, high thermal efficiency, low cost, and modular functions are realized through a platform-based, integrable, and modular design.

[0036] So far, specific embodiments of the present utility model have been described. It is understood that the present utility model is by no means limited to the above-mentioned specific embodiments. Rather, various variants or modifications within the scope of the claims can be made by those skilled in the art, without affecting the essential content of the utility model. Unless there is a conflict, the features in the embodiments of the present application can be combined with one another. List of reference symbols 1 heating structure 2 welding layers 3 Water supply structure 301 Water barrier plate 302 water channel plate 4 housings

Claims

[1] Heating arrangement for coffee machines, comprising at least one coffee machine heating module comprising a heating structure (1) and a water supply structure (3), wherein the water supply structure (3) is designed as a water pipe or water channel structure; wherein, if the water supply structure (3) is designed as a water pipe, a heating plate, screen printing or thermal spraying is used for the heating structure (1), wherein the coffee machine heating module further comprises a housing (4) in which at least one water pipe is embedded, wherein the heating structure (1) is provided on the top and / or bottom of the housing (4), and wherein, if the heating structure (1) is designed as a heating plate, a welding layer (2) is further provided between the heating structure (1) and the housing (4); wherein, when the water supply structure (3) is designed as a water channel structure, the water channel structure comprises a water barrier plate (301) and a water channel plate (302), wherein, when the heating structure (1) is designed as a heating plate, the welding layer (2) is provided between the water barrier plate (301) and the heating plate, and the welding layer (2) is provided between the water barrier plate (301) and the water channel plate (302); wherein, when the heating structure (1) is formed by screen printing or thermal spraying, the heating structure (1) is provided on the top side or bottom side of the water channel plate (302), the water barrier plate (301) is provided on the bottom side or top side of the water channel plate (302), and the welding layer (2) is provided between the water channel plate (302) and the water barrier plate (301). [2] Heating arrangement for coffee machines according to claim 1, wherein the welding layer (2) is a soldering layer when the water supply layer (3) is formed as a water pipe. [3] Heating assembly for coffee machines according to claim 1, wherein the welding layer (2) is a soldering layer or a laser welding layer when the water supply layer (3) is formed as a water channel structure. [4] Heating arrangement for coffee machines according to one of claims 1 to 3, wherein the heating plate is designed as a stainless steel-based heating plate or aluminum-based heating plate. [5] Heating arrangement for coffee machines according to claim 4, wherein the water pipe is made of stainless steel and the housing (4) is made of cast aluminum. [6] Heating arrangement for coffee machines according to claim 5, wherein the water pipe is designed as a pipe coil. [7] A heating assembly for coffee machines according to claim 4, wherein the water barrier plate (301) and the water channel plate (302) are made of stainless steel. [8] Heating arrangement for coffee machines according to claim 7, wherein the water channel plate (302) is designed as a wave plate when the heating structure (1) is designed as a heating plate. [9] A heating assembly for coffee machines according to claim 7, wherein a side of the water channel plate (302) opposite to the water barrier plate (301) is formed into a water channel by machining or etching when the heating structure (1) is formed by screen printing or thermal spraying.

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